he wants to develop appropriate sustainable technology to increase incomes in farm families. >> this is the new style of condom. this is the poverty eradication condom! >> reporter: the unusual metaphor aside, he says these recycled bags of potting soil can grow produce-- in this case cantaloupes-- with a minimum of water and space and maximum profit. >> you grow it four times a year, so that's 24,000 baht, that's just under $1,000 for this much space. nearly as good as marijuana, might even be better, don't have to share with the police either. >> reporter: all joking aside, he says other thai staples-- mushrooms, limes, poultry and hydroponic produce could easily be grown in rural enterprises, like those he's helped set up in buriram province, about four hours from bangkok. he's worked here for two decades, introducing his new crop ideas. earlier in his career, he helped bring factories to the region. they now operate independently.